Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5087886 | Rain-activated sprinkler shut-off system | — | 1992-02-11 | |
| 4654705 | Two channel audio scrambling system | Ronald Forbes, John A. Lund | 1987-03-31 | $1,497,000 |